Glazed / UnglazedGlazedDoor LocationExternalGlazing TypeDouble GlazedWindow TypeTop Hung Opener Over Fixed LightERP (Energy Efficiency)NStandards MetUKCAMaterialUPVCHeat Loss U Value1.4 W/m2.KGlass TypeClearDoor MaterialUPVCColourGrey/WhiteSupplier Part Number6GRYWH9051040Brand NameCrystal